| Original title | Guyana - Crime of the Century | 
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| Danish title | Massemordet i Guyana | 
| Other titles | Guyana - el crimen del siglo | 
| Leikstjórn | René Cardona Jr. | 
| Screenplay | Carlos Valdemar, René Cardona Jr. | 
| Director of Photography | Leopoldo Villasenor | 
| Editor | Earl Watson | 
| Composer | Jimmie Haskell, Alfredo Diaz Ordaz | 
| Appearance | Stuart Whitman, Gene Barry, John Ireland | 
| Land | Mexico, Spanien, Panama | 
| Domestic distribution | Panorama Film | 
| Technical info | CFI | 
| Danish theatrical release | 28.02.1983 | 
| Cinemas | Saga | 
      Companies | 
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| Production company | Care Productions, Conacine, Re-Al Productions, Izaro Films | 
| Domestic distribution | Panorama Film | 
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      Instruktion | 
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| Instruktion | René Cardona Jr. | 
| Instruktørassistent | Roberto Schlosser | 
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      Manus | 
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| Manus | Carlos Valdemar | 
| Manus | René Cardona Jr. | 
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      Produktion | 
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| Produktion | René Cardona Jr. | 
| Produktionsleder | Miguel Angel Gomez | 
| Produktionsassistent | Alfonso Lopez Negrete | 
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      Foto | 
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| Foto | Leopoldo Villasenor | 
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      Klip | 
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| Klip | Earl Watson | 
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      Musik | 
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| Musikbånd | Douglas Lackey | 
| Komponist | Jimmie Haskell | 
| Komponist | Alfredo Diaz Ordaz | 
| Arrangement | Jimmie Haskell | 
| Sang | Alfredo Diaz Ordaz | 
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      Kostumer | 
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| Kostumer | Christa von Humboldt | 
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      Special effects | 
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| Special effects | Raul Camarena | 
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      Medvirkende | 
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| Medvirkende | Stuart Whitman | 
| Medvirkende | Gene Barry | 
| Medvirkende | John Ireland | 
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